Provided by: libfcgi-client-perl_0.09-1_all 

NAME
FCGI::Client::Connection - connection to FastCGI server
DESCRIPTION
This module handles connection to FastCGI server.
ATTRIBUTES
sock
the socket object.
timeout
read only integer value, default is 10seconds.
METHODS
my ($stdout, $stderr, $appstatus) = $self->request($env, $content)
$env is environment hash, same as CGI.$content is request body string. This method returns $stdout
and $stderr strings.When error got, return undef. $appstatus is the status code of FastCGI server,
this is one of the following code.
#define FCGI_REQUEST_COMPLETE 0
#define FCGI_CANT_MPX_CONN 1
#define FCGI_OVERLOADED 2
#define FCGI_UNKNOWN_ROLE 3
These constants defined at FCGI::Client::Constat.
FAQ
Why don't support FCGI_KEEP_CONN?
FCGI_KEEP_CONN is not used by lighttpd's mod_fastcgi.c, and mod_fast_cgi for apache. And, FCGI.xs
doesn't support it.
I seems FCGI_KEEP_CONN is not used in real world.
perl v5.26.2 2018-07-21 FCGI::Client::Connection(3pm)